This post provides step-by-step instructions for programming a Volkswagen 5C immobilizer key using KEYDIY KD–X4 and a KD-type aftermarket key.   Tools & Prerequisites: KD-X4 key programmer Original Vehicle Key (for data reading) New KDZB MQB smart remote (to be programmed) Keydiy DB25 … Continue reading How to Add VW 5C Key with KEYDIY KD-X4 Key Programmer?